diff --git a/configure.ac b/configure.ac
index 962bb65..d128d13 100755
--- a/configure.ac
+++ b/configure.ac
@@ -308,7 +308,7 @@ AC_MSG_CHECKING([for __thread])
 AC_LINK_IFELSE([AC_LANG_PROGRAM([#if defined(__GNUC__) && ((__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 1) || (__GNUC__ == 4 && __GNUC_MINOR__ == 1 && __GNUC_PATCHLEVEL__ < 2))
 #error gcc has this bug: http://gcc.gnu.org/ml/gcc-bugs/2006-09/msg02275.html
 #elif defined(__MINGW32__)
-#error mingw doesn't really support tls
+#error mingw doesnt really support tls
 #elif defined(__APPLE__)
 #error OSX __thread support is known to call malloc which makes it unsafe to use from malloc replacement
 #endif